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A single slit is illuminated with 600 nm light, and the resulting diffraction pattern is viewed on a screen 2.1 m away.
A single slit is illuminated with 600 nm light, and the resulting diffraction pattern is viewed on a screen 2.1 m away. If the linear distance between the first and second dark fringes of the pattern is 12 cm, what is the width of the slit.